Binder for lignite upgrading and preparation method and applications thereof
A technology of binder and lignite, applied in the field of lignite upgrading, can solve the problems of unsuitable lignite popularization and use, low utilization rate of lignite, high price, etc., and achieves advantages of long-distance transportation and storage, low cost, and increased thermal stability. sexual effect
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Embodiment 1
[0022] A binder for lignite upgrading, which is formed by mixing the following raw materials:
[0023] Sodium humate 1.5g, aluminum dihydrogen phosphate 0.75g, aluminum phosphate 0.30g, hydroxymethyl cellulose 0.15g, thermosetting phenolic resin 0.45g, calcium carbonate 3.75g, metakaolin 8.1g.
[0024] The above-mentioned preparation method of a lignite upgrading binder comprises the following steps:
[0025] 1) Select raw materials according to the above ratio;
[0026] 2) Sodium humate, aluminum dihydrogen phosphate, aluminum phosphate, hydroxymethyl cellulose, thermosetting phenolic resin, calcium carbonate and metakaolin were mixed evenly (put into a high-speed disperser and disperse for 2 to 3 minutes) to obtain lignite extract quality adhesive.
[0027] The application of the above-mentioned lignite upgrading binder, which is applied to the lignite molding process, comprises the following steps:
[0028] The first step is to adopt lignite from Dongming Coal Mine, Hail...
Embodiment 2
[0034] A binder for lignite upgrading, which is formed by mixing the following raw materials:
[0035] Sodium humate 1.5g, aluminum dihydrogen phosphate 0.75g, aluminum phosphate 0.30g, hydroxymethyl cellulose 0.15g, thermosetting phenolic resin 0.45g, calcium carbonate 3.75g, metakaolin 8.1g.
[0036] The above-mentioned preparation method of a lignite upgrading binder comprises the following steps:
[0037] 1) Select raw materials according to the above ratio;
[0038] 2) Sodium humate, aluminum dihydrogen phosphate, aluminum phosphate, hydroxymethyl cellulose, thermosetting phenolic resin, calcium carbonate and metakaolin were mixed evenly (put into a high-speed disperser and disperse for 2 to 3 minutes) to obtain lignite extract quality adhesive.
[0039] The application of the above-mentioned lignite upgrading binder, which is applied to the lignite molding process, comprises the following steps:
[0040] The first step is to adopt lignite from Dongming Coal Mine, Hail...
Embodiment 3
[0046] A binder for lignite upgrading, which is formed by mixing the following raw materials:
[0047] Sodium humate 4.5g, aluminum dihydrogen phosphate 1.5g, aluminum phosphate 0.75g, hydroxymethyl cellulose 0.6g, thermosetting phenolic resin 0.9g, calcium carbonate 5.25g, metakaolin 1.5g.
[0048] The above-mentioned preparation method of a lignite upgrading binder comprises the following steps:
[0049] 1) Select raw materials according to the above ratio;
[0050] 2) uniformly mixing sodium humate, aluminum dihydrogen phosphate, aluminum phosphate, hydroxymethyl cellulose, thermosetting phenolic resin, calcium carbonate and metakaolin to obtain a binder for lignite upgrading.
[0051] The application of the above-mentioned lignite upgrading binder, which is applied to the lignite molding process, comprises the following steps:
[0052] The first step is to adopt lignite from Dongming Coal Mine, Hailaer, Inner Mongolia, and its water content is 33% (mass). Get 10kg lignit...
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